There's already been an example of this with the AMD + Intel combination sold by Intel in the Hades Canyon NUC. It's an Intel CPU and an AMD GPU in a single pac

There's already been an example of this with the AMD + Intel combination sold by Intel in the Hades Canyon NUC. It's an Intel CPU and an AMD GPU in a single package on some sort of interposer. The more common approach is via SOCs though.